<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>

    <script>
        let name = prompt("请输入姓名")
        let age = prompt("请输入年龄")

        document.write(`大家好，我叫${name}, 我今年${age}岁了`)
    </script>
    
</body>
</html>